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• Overview – Audio Research VSI60, released in 2013, is a Class AB tube integrated amplifier using KT120 output tubes, combining preamplification and power amplification to deliver refined tube musicality with modern drive capability.
• Amplifier Topology – Designed with a fully balanced tube signal path, it delivers exceptional transparency, wide dynamic range, and authoritative bass control, bridging classic Audio Research voicing with contemporary loudspeaker compatibility.
• System Integration – Audio Research VSI60 with KT120 Tubes offers multiple line-level inputs and balanced XLR connectivity, making it a flexible centerpiece for high-end analog and digital systems seeking coherence, scale, and tonal accuracy.
• Specifications – Rated at 50 watts per channel into 8 ohms, employs four KT120 output tubes, 6H30 driver tubes, fully balanced circuitry, wide bandwidth response, and high-current power supply for stable load handling.
• Dimensions – Approx. 483 mm (W) × 197 mm (H) × 394 mm (D), featuring Audio Research’s contemporary industrial design with effective ventilation and compatibility with standard hi-fi equipment racks.
• Weight – Approximately 23 kg, reflecting substantial transformers, robust chassis construction, and premium internal components essential for reliable thermal management and consistent high-performance tube operation.
S$3,200 is fair but slightly firm versus this market: it sits just above the 75th percentile of S$3,200 and above the median of S$2,950, so it is not a bargain, but it is still within the normal used range for this model. It’s only really “ambitious” if the seller expects top-of-market money without any extras or proof of recent servicing.
That said, this is a well-regarded tube integrated with the usual Audio Research strengths: open midrange, good drive for 50 Wpc, and a refined, full-bodied presentation that still makes sense in a serious two-channel system. In very good condition, the upside is a clean, ready-to-enjoy example from a respected line. I’d want to see service history, healthy tube life, and whether the cage/remote are included, because those details matter more than cosmetics on a piece like this.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Audio Research Corporation, founded in 1970 in Minneapolis, Minnesota, by William Z. Johnson, traces its roots to his pioneering work in custom audio electronics during the 1950s and his operation of a specialty retail store through the mid-1960s. After a brief stint selling his designs to a larger firm, Johnson regained independence to establish ARC with a singular mission: advancing the state-of-the-art in music reproduction. From modest beginnings in the back of his shop, the company evolved into one of America's oldest continuously operating high-end audio manufacturers, now housed in a state-of-the-art 48,000-square-foot facility in Maple Grove, Minnesota.
ARC specializes in performance-driven electronics, renowned for vacuum-tube amplifiers, preamplifiers, and electronic crossovers that emphasize sonic purity over flashy features or aesthetics. Drawing on circuit designs rooted in the 1950s, the brand integrates tubes into modern contexts, delivering what it calls "high definition" sound through genuine technological advances. While not venturing into speakers, turntables, DACs, headphones, or cables, ARC's focused lineup prioritizes amplifiers and preamps that set benchmarks for musical realism.
Positioned at the pinnacle of high-end audio, Audio Research is hailed as a true originator of the genre, commanding respect among audiophiles for its unwavering commitment to excellence and innovation. Enduring the 1970s tube revival against solid-state dominance, ARC thrives via elite specialist retailers worldwide, standing alongside peers like Conrad-Johnson as a vintage-inspired yet forward-thinking force in the niche boutique market.
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eBay UK
GB
eBay Australia
↓ 9%
StereoNET
Excellent
eBay US
Paragon Sight & Sound
Dealer
Hifitörget
SE
